package com.hzl.lease.web.app.custom.interceptor;


import com.hzl.lease.common.context.LoginUser;
import com.hzl.lease.common.context.LoginUserContext;
import com.hzl.lease.common.exception.LeaseException;
import com.hzl.lease.common.result.ResultCodeEnum;
import com.hzl.lease.common.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

@Component
public class AuthenticationInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String token = request.getHeader("access_token");
        if (token == null) {
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_AUTH);
        }else {
            Claims claims = JwtUtil.parseToken(token);
            String phone = claims.get("userName", String.class);
            Long userId = claims.get("userId", Long.class);
            //把token中的信息保存到ThreadLocal中
            LoginUserContext.set(new LoginUser(userId,phone));
        }
        return true;


    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserContext.remove();
    }
}
